Warp-uniting machine.



APPLlCTIUH i..

atentea "Julyfz; 1913.1

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H. D. COLMAN. WARP UNITING MACHINE.

' lm'- Patented July-'29, 1913.

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.WARP UNITING MACHINE.

` APPLICATION PILBD-APB..20, 190B.

Patented 'July 9, 1913.

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1 si111111l1|111111111111 1 .1 l lull 1.4 I. 11. MJ y l H. D. GOLMAN. WAR? UNITING MACHINE. APPLICATION FILED APR.20, 1908.

Patented July 29, 1913.

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"n LO vraag H. D. COLMAN. WARP UNITING MACHINE. APPLICATION FILED APB.. 20, 1908. 4

Patented July 29, 191,3.

14 SHEETS-SHEET 7.

H. D. GOLMAN. WARP UNITING MACHINE. APPLICATION P1LB D-APR. zo, 190B.

Patented July 29, 1913.

14 mms-SHEET sV Y NNw H. D. GOLMAN. l WARP UNITING MACHINE. APPLICATION FILED APR. 20, 190 8.

Patented July 29, 1913.

14 SHEETS-SHEET 9.

H.' D'. GOLMAN. WARP UNITING MACHINE.

APPLICATION FILED APB..20, 1908.

Patented July 29, 1913.

14 SHEETSWSHEET 10.

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H. D. ICOLMN. WARP UNITING MACHINE. APPLICATION FILED APR. zo, 1908.

. Patented July 29, 1913.

JM l w fn H. D. COLMAN.. WARP UNITING MACHINE.

APPLICATION FILED APILZO, 1908.

'Patented July 29, 1913.

14 SHEETS-SHEET 13.

H. D. COLD/IAN.

WRP UNITING MACHINE. APPLICATION FILED Ammo, 1908.

Patente@ July 29, 191g;

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D.' 'CLMAN, GF ROCHOB, LLNOIS, .LSaICz'rhTOR,v BY MESNE ASSIGNMENTS, HO'ARD D. GOLMAN, LUTHER L. VIILLER, ANB HARRY A.. SEVERSON, CO- PrLNE-ES DNG i BUSINESS AT ROCKFORD, ILLI'NGIS, AS BARBER-COLMAN WAR-UNITING MACHINE.

Specication of Letters Patent.

rammed .rely e9, 191s.

Application filed April 20, 1908. Serial No. 427,878. y'

' 10V all whom it may ,concern 53e 1t known thatV L'Hownim D. Commit,

a citizen of the United States,l residing at Rockford, in .the county of Winnebago and Sta te of itllinoisi have invented certain new .and useful improvements in-lJVarp-Uniting the individuel threads of another Warp.

Another object of the invention is to provide means -for eedingthe respective Warps vto uniting mechanism.

Another object of the invention is towprovide a simplified construction of mechanism for tying the ends of adjacent warps to- -getherz Another object of the invention to feed the Warpsto the tying mechanism hy inde- ,pendent feeding means.

Another object or' the invention is th provide means for continuously and automatically feeding the iva-rp supports, the loomhea-in and the harnesses past and from the uniting mechanism to a suitable place. where the united Warp threads. loom-beam and harnesses may he removed and others substituted, whereby a new set of u-'arp supports infill he yin position to more upto the warpuniting mechanism as soon as the previously introduced 'warns are united.

AThis object of the invention also is to iniprov gcncrallyon thedart otconnecting Warp threads.

In the accompanyingdrawings. liigure l is a top plan vieuY of a Warp-uniting machine constructed in accordancev with my invention.` Fig. Zis a sectional. *view on the. line 2 Q of Fig. Figli is a transverse sectional View von the line 3 3 oFigl. Fig. il is an enlarged plan vievv'oiiv par-tlo'f'the tying-in mechanism, the. knetter being removed. Fig.

"5 is an enlarged transverse sectional view through the tyingin` mechanism. parts being broken away. Fig. G is an enlarged side AView of the tyin`g-in mechanism. Fig. 7 "fis an' enlarged side elevation showing portions of the tying-in mechanism. Fig. 8 is a plan rienv ci part of the tying-1n mechanism. Fig. 9 isa side view of the mecha- `nism shownin Fig. 8 .j lFig. 10 is an elevation. of the sensitively-controlled feed for one of the warps, thev feed being shown in being removed.

operative position. Fig. lll is a similar view or' the sensitively-controlled feed,y the feed being shown as inoperative. Fig l2 is an end fview of the' feed showing the pinion tor engaging the rack on one of the warp carriages. Fig. 13 is-an end view of a thread guide. F ig.V 14 is a face viewo said thread guide. F ig. 15 shows two vieus of one of the threadeselectors. Fig. 16 is an end view of the selector lever arm.` Fig. 17 is a side view of the end of the selector lever arm.

.Fig 18 is a detail view of a thread detect-or.

Fig. -19 is an enlarged view of a conveyer for bringing the selected and separated threads together and a clamp for holding them preparatory to being acted upon by the uniting mechanism. Fig. Q() is an end View of the tying bill` the' thread guide, andv the thread conveyor, the pneumatic waste .zhe being shown in elevation. 'Fig'. 2l (Sheet l.) isa plan view of a portion of one of' the warp clamps showing how the actuating lever isconnected to one 4of the slidahle clamping hars. l Fig. 22 is a side elevation of one of the Warp clamps. Figs. 23 to 27, in-

' elusive, 'are enlarged perspective views shou' ing the, dilerent relative positions of the tying mechanism elements. Fig. 28 is 'a longitudinal sectional view through the tyinghill cam cylinder. Fig. 29 is a transverse sectional viewthrough said cylinder. F ig. 3() is a 'sectional view through the tying-hill. Fig. 8l is a diagrammatic view of the knot tied hy the machine. Fig. 32 is a plan view of the Warptying machine and the conveyor tor serving said machine, showing one set ot' Warp supports in eopera-tfive alincirlent with the Warp-tying machine and another' set 'ready to he moved into position to have its i' rp threads acted upon. Fig. a sido elevation of the parts shown in'Fig'.Y Fig. 3l is an enlarged det'ailfvieiv of the truck tongue and part of the conveyor.' Fig. is a. sectional view on the line' 35 of Fig. 351. Fig. 36' is a'fragmentaryplan view of the conreyenaetuating sprocket Wheel and .thefriction-clutch release-har. Fig. 3i'l is a. sectional View on the line 3T 37 of Fig. 86.' Fig. 38 is a sectional view on the line 38 3S-oi' Fig. 37. Fig. 39 is a planlvie'iv of the conveyor, the actuating sprocket wheel and the throw-off; and Fig. 40 isa sectional view. on the line 40 40 'ofV Figq, lthe trucks ico lsb

f threads through the. harness. eyes and the reed. 'l

As generally nnderstoml by weavers, the threads of a warp must be drawn through `the harnessesA preiuiratory to weaving. To do thls by hand 1s a. laborious and expensive process. ln carrying out my invention, I-

inay tiethe threads of a new warp to those of an. cld war).l .and` by pulling the old with thc attached new threads j )re )arinfr the. war )s for the unitinvvo )eration, the means for supporting the .warpS and the loom elements on the truck 1s re- 'ino'vahle from the truck. vAs herein shown.

.said supporting means consists of a carriage l (Figs. 2 and 3) having' rollers 2 which stand on rails 3 on the truck B. The carriage l has hooks 4 .thereon to receive the shaft 'of the loom beam- A( The-'re` ceptacle C for the harnesses and the. reed is mounted upon the carriage l.

The mechanism for accomplishing` the uniting of the warps Gr` and H 1s shown m `the accompanying" drawings as .supported upon a frame consisting of standards connected by the transverse bars 2G 26, and two arches 25 connected togetheiand to the standards 25 bv bars 26. Projecting inwardly from the respective standards are arp-carriage supporting' brackets 97 and )7 and these brackets are providedwith guidegroovesQS .and 2S', During the 'ying'- in operation, the bracket 9.7 supports the warp frame or barriage for the new warp, while the bracket Q7 supports the Warp carriage. for the old warp. The warp .Carriage for the new warp is shown as comprising an approximately rectangular frame 29 having at one side a/rack'bar 30. At the opposite side of said/ frame is a rail 31 movable in the l.groove Q8 of the bracketl 27.

The warp carriagesI 29 29 `are, looselv mounted upon :rods- 29 (Figs. 1 and fixed in the frame of the truclk B. On one of the.

rods that supports the ncw-warp carriage Q9 are fixedtwo collars 29h 29. then the warp carriage Q9 is advanced by the sensi'- tively-controlled feed to be presently clescribed, the, frame of said carriage presses against. the collarQQb and thus moves the truck B.

Alirted to the frame of the lwarp carriage is a movable warp clamp` 32 supported by the pivot 33 and adapted to be swung through the medium of the crank 3i mounted, 'on the frame and having` a link g closed, as hereinafter described, the threads will be sccurel)Y held in clamped engage# nient with the warp carriage Q0. By swing-- ine' the clamp 32 awa)rv from theclamp 8T, and permitting the crank 35i to pass over dead center, the threads of the warp Il will be stretched or tensioned, and the clamp will be locked in stretching position. A B v refereme'to Figs. 2l and 92 it will Ahe seen that. the insertion bars 3S and tli'e threads may be secured in the. clamps by a cla-mp bar ,38a having inclined projections over which slide corresponding projections cn a slidable'har 88h actuated by a pivoted lever SSC and a link 38d. Thus the threads may be quickl'v clamped between the insertion bar and the flange of the recess con taining the clamping bar, or the threads ma)Y be quicklyT released by shifting the bar 38h in the proper direct-ion (to the right', Fig. QQ).

at the opposite The threads are prefcrabljy passed overa y.

longitudinail)v movable knurled ribbon 39, so that after the threads are stretched, a sidewise deflectia n majY be imparted thereto by moving the member longitudinally.

I have just described in detail the warp carriage .for the :new warp. The carriage for the old warp is oppositeljr disposed so that its movable clamp will be left-handed with respect to that of the new varp.'but ether-wiso the same general construction prevails. so I have deemed it unnectssary to sive a detailed description of the carriage for the old warp. have, however, primed the reference numerals applied to the varions parts in the old warp carriage which correspond to the numerals applied to the new warp carriage.

By reference to Fig. 3 it will be observed that the two warps lie in substantially the same horizontal plane and that theV car` riapfcs are `parallel-with each other. This l find a convenient ar angemcnt for facilitating a proper selection of adjacent threads from cach cf. the warps preparatory to bringing,` them together for tying. The uniting` mechanism is stationary. 'In the form of machine shownin this application, both warps move toward the' tying mechanism and each warp is provided-with a feed which. in all its essentials, i s quite independent of the feed of the other warp.' Both feeds aresubstantially of the same construction. so that a'detailed `description of one will sutlice for both.

Journaled in Va bearing 40 in the frame of the machine is an intern'iit-tently drivenroioo tatoryshaft41 having on one end a'pinion 42 which meshes 'With the rack 30 of the warp frame 29 (see Figs. 2 and 3.) On the i motion from the main drive shaft v44 appropriate mechanism. The mechanism shown herein consists of a bell crank lever looselymounted on the shaft 41 and having an upst anding arm 45 and an approximately lateral arm 46. The lateral arm 46 of the bell crank lever is looselyl connected to the shaft 41 and braced vby a. link 47. Interpcsed-loetween the link and the arm 46 is a paivl 48 adapted to enga-ge the peripheral teethof the ratchet wheel 48. Loosely mounted on the shaft 41 is a lever 49 rocked on said shaft 41 by the drive shaft '44 through an eccentric 50. The link 47 is pro vided With a pin or stud 51 which is adapted to. be engaged by the notch. l52 of the lever 49, and a spring 58 connected to the pawl and to the lever 49 has a tendency to main tain said stud 51 in the notch -Projecting from one of the transversemembers 26 are the brackets 54 and 55 (54 for the new Warp and 55 for the old). See Fig. 1. On aibracket 56 (Fig. 12) carried by the bracket 54 is a pivoted feed lever 57 having a lateral projecting arm 58 and a depending arm `59 provided with a lateral extension 60. The extension 66 is What l' term a. sensitive feeler finger in thatit is adapted to ,lie in the plane of the Warp threads so that should a Warp thread contact with the end thereof as shown in Fig. 11, the arm 58 will be raised to lie in the path of the projection 61 of the arm 45 and prevent the spring from pulling the arm 46 and, the' link 47 down to a position to have the arm 49 engage the pin 51 so as tol actuate the paivl 48. When no 'thread is I presented, however, on accountof one hmL ing been previously selected to be tied, or on account of the spacing of the Warp threads, the finger will swing on its pivot to appro-Ximately the position. shown in Fig'. 10, because its center of gravity is to one side of its pivot point.

- the f'eeler finger .Will throw. the arm 58 out of contact withthe lever 45 and permit the pavvl 48 to ride over aA tooth in the ratchet Wheel and -permit the stud 51 to lie in the recess whereby, upon the actuation ofthe' lever 49, the ratchet. wheel .will be actuated the distance of one tooth.

It is to be understood that the parts are so constructed that when the arm 58 is in the path of the lever 45, the pawl cannotslide back over a ratchet tooth, because the arm 46 and the link- 47 are rigid with the arm 45 and they carry the paWl. Therefore, While the drive shaft 44 may continually rotate and actuate the eccentric 50, so as to impart movement to the arm 49 on the shaft 41, no movement of the ratchet Wheel can This swinging movement ofv take place,- unless the atm. 58` is move-d out of the path of the lever arm 4,5. .4

From thel foregoing it Will be apparent that the 'Warp carriages 29 29J will be fed toward the operating mechanism step b step as it is necessary to present new threa sv to the selectors. Whenever threads are ad- Y )acent to the selectors-or in position to be taken "by them, the sensitively-controlled feed will he 'ineffective to move the Warp' carriages, feed movements occurring only as i required.

@The drive shaft 44 maybe driven by a drive pulley 62 fast on said? shaft, or the belt (not shown) may be shifted to the loose pulley 63 either automatically or by' hand.

I have provided mechanism for selecting corresponding threads fro-m bot-h Warps and uniting them. The mechanism for selecting the threads is shown as vcomprising a rock oneof the bars 26. Carriedby the rock 'as shaft 64 (Fig. 6) journaled' 1n bearmgsm shaft yand rigid therewith are approximately..

lparallel arms 65 and 65 (Fig. 4) one for each ivarp. Each arm carries a pivoted selector 66 comprising a shank having an up-` Wardly-extending barb 67, which, upon the 11p-strokes of the respective levers, engages a thread and moves it Slightly above the plane of the remaining warp threads 'and off the deflecting ribbon 39 or 39". The thread Will then spring to a straight line and away from the detie'cted sheetof threads so. as to be in position to be picked up by the separators. At. about the time the' selectors raise thethreads above their Warps, the separators 68 and 68 move forward and carry" 'loo the selected threads avv/ayl from the adjaycent ones ;-setting them off as it Were. The

Aseparators are shown as comprising arcuate blades 469 inclined .transversely to provide .inclined separating edges 70 with forwardly projecting separating Wings 71. The separators are supported on the rock shaft 72 and rigid therewith, the shaft being mounted in the brackets 54 and '55. Rigid on the lrock shaft 72 is a segment 78'(Figs. 4, 5, 8

and 9) provided with notches 74 and 75.

The notch 74 is normally engaged by onel tooth 76 of a double paWl 77 pivotally mounted on the stud 77a. The paw-l Vis carried by a rockingv bracket 78 loosely mounted-on the shaft 72, saidbracket having a projection 79 1n engagement with the' groove80 of a rotary cam 81 on the drive shaft 44. AUnder ordinary conditions, the rotation of the cam will rock the bracket 7 8 so as to cause arccking motion to befimparted tothe paw-1.77' communicating said motion to the segment 73 vand thereby rocking the shaft. 7 2 to move'hDt-h separators toward and away from the Warp.- Y Thespring 82 on the roc-king bracket 78) has a normal tendenc'ykto force the tooth 76 of the pawl 77 'into thel recess 74 of the seg'- 1,30

,areI notl selected the machine stops. .now describe how this is accomplished.

vPivoted .to depending portions 5l'iind'p.3.

ment 73. VUnder abnormal conditionshow ever, the force'of the spring maybe overcome', and the tooth 76 .will rideout of its notch or recess 74. i

rCertain mechanism is' provided whereby 1f vthe selectorsail to 'takeja thread from' ofthebraekets et'and 55 are two stumbler lforkslSS: (Figs. 7 and 18) having alined tin- -lgers or tinesS: which alternate with simili r tinesfo'r fingers S5 iXed to an arm 86 on 'fao either of the brackets 54 and lt will be observed' that 'the selectors movel in close 4Stumbler forli Strom passing therebetween proximity to the rigid lingers S5 so that it a thread'is selected .from one of the warps it will rest against the rigid lingers S5 and prevent thev lingers '811 of the corresponding If,'howeve1 no thread is present,l theingcrs 84e will bepermitted to swing between iinbler fork will be thrown into the path ot the p spending separator (S8 or GS, thus bot-li sep-A esl Wardl-y projecting extension 8S on said stumlug S9 rigid with the support for the correH arators will be held against movement. lu View ot the tact that the separators are both oir-the satrieshalit 72 the engagement ot one of them by one of the extensions SS of the AStumbler 'forks will 'be sullicient to hold the shaft against movement. The rocking bracket 78 however will swing 'so that the pawl 7G will be 4moved out ot' engagement with the notch Pt in the segment '73. This movement 'of the bracket. T8 will cause the tootht'Gatsaid tooth being spring held by spring 76h and provided with limited nievevmentby the lug 76 which abuts against the projection Tod) to engagea tooth on the Stumbler ratchet wheel 99 and more it one tooth, in which position it will be held by a pawl 91 (see Fig. 9). l'l vupon 'the next lmme-ment ot' one of the selectors no thread is present, the bracket TS will again swing idly in its bearings, and this will be con- .'tinued for a determined number ot times until after the determined number of tries have been made. It the ratchetv wheel 90 is rotated far enough so that the pin 912L comes in contact with. a lever the lever will be rocked on its 'pivot'93 and its forward end 94 will be moved out ot' engagement. with a 4notch 95a in the spring actuated longitudinally shiftablerod 95 so as to shift the belt fork 96 (Fig. 4) and thereby throw the belt from thedrive pulley to the loose pulley, .and the machine will be stopped. -By reter- 'return it to its normal position.

.ence to Fig. 7 it will 4be observed that there are a. plurality of -screwthreaded openings 91b for the reception of the screw -piu 91.V Invlew of the tact that for every time that lthe tooth TG moves outof: the recess Tet the ratchet wheel is'moved one tooth it will fore, as the machine stumbles the spring 9S will be put under tension. 'It the ratchet is set'toprovide tor adetermmed number ot' f tries, say, for example, tive, before throwing out the .lever and both threads are selected after the third try, 4the pin 99 will come in contact with the pawl' 91 and release the ratchet wheel 90 so that its spring 98-will The-rod is provided with a vcompression spring 109 tor shitting it. The machine maybe started by grasping the handle .101 (Fig. l) on the rod 95 and vexerting a pull .so as to shift said rod to cau-se the lever 92 to drop into the noteh- 95 so as tov hold the belton the drive pulleyn.

When the torni-rrd movement of the'separater blades is arrested by one of the stumblertorlis, as shown in F 1g. 9, the tooth 'TG (ihops'into the notch 75 at the end of the swinging movement of the'braeket TS to the right. and when the bracket T8 swings to the lettthe separator blades are swung up out of the path of the selectors 66. Such upward withdrawingI movement of the sepa-' rators is limited by their striking against the brackets at 55. Yfihen thc separators thus stop against the brackets .5i the tooth Tov becomes disengaged from the notch During the normal return movement ot the separator blades, and during` the withdrawing movement of said blades following a stumble of one, or both selectors, the stumblers S25 are moved away from the lingers 5 bv two armslOS fixed with relation to 'the separators and having angular lower ends ailapted to engage said stumblers. .ts will be understood, this movement of the stumblers away from the lingers S5 is for the purpose ot' permitting the selectors to raise threads into the space between said stumblers and 'lingers and into position for setting` oifby the separator blades.

'As a separator blade moves yforwardto'set lectecha yielding clamp 102 (F 6) preferably lined with some iibrous material 'will pass over the thread so that the thread will be interposed between the clamp 102and the inner tace of the arcuate separator 69. At the proper moment the thread Will be ott 'a thread which has previously been se- Loeaosi clamped between'the element 102 and the inner face of the separat-or 69 by having the "upperiace of thefclamp 102 come in cont-act Withthe inclined or camface ot a depending clamp nger103 carried by the bracket 54 in one instanceand the bracket 55 in t-he other. This clamp takes hold preparatory to severj ingjthe thread. Byreference to Figs. 5 and 6:1t willfbe apparent that the thread will be severed ata point adjacent to the outer side, .of the-Warp carriage 29 or 29 by the movable shear 104 carried by the separator cooperating with the stationary shear 105 can ried, for example, by the bracket 54: in Fig.

6, and the thread will be prevented from jumping after `having been severed under tension on Yaccount o-'the clamp 102. As the thread' had been previously clamped just prior to or about the time of severing it would lstill be under some tensionr after be-A 4viate this difficulty I- have provided a triction' clamp 106 which is pivoted to the'depending portion of the bracket arm 55, in Fig. 9, and this clamparm has a normal tendency to move toward the selected thread by the spring@ and hold the thread under slight .restraint against the rigid .lip 107 (Fig,` 18) on the-bracket 86. The arm 108 rigid with the separator moves the clampV 106 away fromthe lip when the separator moves to its upper or initial position. As the separator movestorward the latch 109 holds the thread clamp 106 open until the arm108 comes into contact with a finger 110 fixed to the latch 109. Thus the thread may have'time enoughto enter the clamp 106 and 'permitthe Vclaiinp to be closed to hold thev 4thread under slight *friction before the threadis cut by the shears. lt is to be re-v membered that the same action 1s taking 'place with respect to 'one warp as is being' eiected upon the other warp so While the mechanism shown in Fig. 9 is illustrated as beingtor the old-Warp or for the Warp on the'gright hand side et the machine as viewed `in Fig. 3. a corresponding mechanism'is actn ing upon'the new Warp on the left hand side of themachine. f

vAfter `the threads-have been selected, set Yott, ands'evered they are carried up to aA .thread-uniting mechanism so-that the corref spending' threads from a new warp may bc joined to like-threads in` the old. vThis Y sfo mechanismfo-r joining, the threads is `best illustrated in Figs.; 114,15. t, 19 and 20. l By reference to Fig. .5 it .will be observed that Latter corresponding 4threads fromv the tivo Warns havebeen selected and separated said threads lie-'in'planes 'abovethe planes' of the "Warns proper. lllleohanism is provided for rig. 2o).

bringing together the selected and separated threads and for presenting'them to a uniting nicchanisnr The torni herein shown consists of a conveyor 111 supported by the sleeve -112 loose on the shaft T2 and driven from. agear 113 on the shaft ii which' meshes with an intermediate pinion 11i on the bracketl h and said intermediate pinion 114: driving a gear 115 on said sleeve 112. The conveyer 111 comprises diverging lin gers 116 having an approximately V-shape jaw in the constricted portion of which are spring clamps 1-17 (Fig. 19) to receive the respective threads and hold them in place as they are carried up to the uniting mechanism.

The uniting mechanism in this embodiment of the invention is shown to comprise a continuously rotatingl tying bill 118 said .tying bill being carried by the bracket 55 and provided with a pinion 119 (Figs. -1 and 7) in mesh With a gear 120 on the shaft #11. The tying bill is provided with a shear for severing the ends of the threads after the knot has been made'. Itmay consist of a part 121 rigidfwith respect to the pinion 119 and another part 122 pivoted to said part 121 and rotatable `Within a 4cam barrel 123 so asto impart a shearing and clamping more ment to said part 122. For a full description of the construction and operation of theform ot tying` bill herein shown. reference may be had to Patent No. 755,110 issued to me on March 22, 190i. Upon a stud 126 is a stationary plat-e '126% The plate 12WL is substantially V-shape inv cross-section (see The ends of the plate 1262L are provided with guide notches 12S and 129 in line With the tying bill so that when the conveyer 111 moves a pai-r ot threads up into the notches'128 129 (Figs. 19 and 20) the threads will be o-n the inner side of the tying bill. A cam 121 (Figs. 1, 5 and 6) fast to the gear 11i `will then actuate the lever 125 pivoted at 127 to impart a transverse movement to thesleeve 132 which carries the ,arides 130 and 131. Said guides when in operative position overlie thenotches 12S 129 and thus retain the pair of threads in said notches 'during the -i'ormation of the knot. The

guide 131 also serves to move the threads be- -hind the projection 1262 as shown in Fig.

21. Afterthe loops ot' the'knot have been formed and the Waste ends she-ated by the tying bill, a stripper finger 133 fixed on the continuously1 rotating shaft i vengages the threads just below the plate 126iL and pulls the knot off the tying bill (Figs. 20 and 2T). In pulling the ends oi the threads out ot' the tying bill the loops of the knot are drawn tight. The projection 12ea affords h shoulder over which the threads arepulled by the rotating linger 138. The Waste ends are carriedotf through the pneumatic chute or tube 134.

iso

The shaft 64 `is actuated to rock thev selector arms so as to select the threads through the medium of an arm 135 which is in contact with a cam 136 on the shaft 44. Itl may be desirable to have a nicety of adjustment of the contacting portion of the arm 135 with the cam 136 so as to provide for different conditions of warps presented in the Warp frames; therefore I have shown an eccentrically mounted roller 137 on the arm 135 (see Figs. 6, 16 and 17). This roller 137 is mounted upon an eccentric pin 138 which is frictionally held in the upper terminal of the arm 135 and by `turning the knurled nut 139 after having loosened the screw 140 theselector levers may be so adjusted that the proper coaction will take place between the selectors and the warp threads. By referenceto Fig. 5 it will be 'noticed that the selectors are rcsiliently pivoted in .the arms 65 65, the springs 141 tending to siving'the selectors against the foremost threadsof their warps.

The pivotal connection of a selector with the arm which supports it will enable the -selected thread to spring toward the .pins 85 of the Stumbler mechanism when said thread is moved from the ribbon 39 or 39UL as the fo-r example, 39.

case may be. This tendency of the threads in a warp carriage 29 29 to spring forward is induced by the lateral tension on the threads due to shifting one of the ribbons, Just as soon, however, as the thread is taken from the' selector by the separator', the selector pointwill move back to thread selecting position.

By reference to Figs. 2, 32,33 and 35 to' 40, inclusive, it will be observed that the warpsupporting means, the loom beam and their appurtenances may be fed' past the 'warp uniting mechanism and conveyed whereby a `truck -will be automatically therefrom by asuitable conveyer. In order to facilitate the introduction of the warps to and their removal from the uniting mechanis'm, I provide an endless conveyer so that the trucks which are fed from the discharge end of the machine will automatically nd vtheir way back to'the receiving end of the machine. Means is also provided for stoppingl the conveyer both automatically and manually. I have also providedfmeans stopped when it reaches a determined point. 'The endlessconveyer comprises' a' track (best illustrated in Fig. 32) which may consist of the tworails 142 and 143. The warpuniting mechanism is supported by -the frame 25 26 25 26 straddling the track.4

Between t-he rails 1'42 143 is an endless grooved guide 144. )Vithin the `guide 144 is a linked conveyencomprising a. plurality of -links .145 suitably joined together and suitable links areprovided with upwardly j extending projections 146 (Fig. 3 4). adapt-- ed to eng-age complementary projections ,from the trucks B. The projections 146 have inclined upper edges 147.

The conveyer is driven by a sprocket 148 .(Figs. 39 and 40) on the shaft 149 in bearings 150 and 151 in the bracket 152 sup-44 ported from thefl-oor or other suitable 'support.

On the shaft 149 is a pulley "153 which may be caused to drive said shaft 149v through the medium of a friction clutch 154 having a pulley engaging member 155 slid, able on a shaft 149 and actuated by the links 156 which are fulcrumed on the collar 157v and in link connection with aslidable collar 158 on said shaft 149. yThe collar 158 and consequently the clutch member .155 may be by an actuating 'lever 159 which is "fulcrunied to a bracket 160 at161. This lever 159 is provided Wit-h an elongated slot 162 through which projects a pin 163 on the collar 158. distant from the fulcrum 161 isa pedal 164 whereby the operator may depress the free end of the lever 159 against the action of the spring 165. Connected -to the free end vof the lever 159 is a hand rod 166 which At the end of .the lever 159 may be used-in lieu of the pedal 164 for actuating said lever 159. AS shown' in Fig.

33, the treadle 164 and the hand lever 166 are located at the receiving side of the warptying machine.

167 (Figs. 36 to 39) is a lever having an arm 168 in the path of the projection 169 on one of the links, so that, as said block orprov jectioii 169 passes under the arm -168 o f the lever 167, the clutch lever 159 will be raised and the pulley 153 will be permitted to rotate freely Without actuating the shaft 149. f

170 (Figs. 34 and 35) is an upstanding flange or guidevva-y having an vinclined portion 171 up which may ride a lateral projecting pin 172 on the spring pressed bolt 173 carried by the barrel 174 .supported by the head 17.42L on the end of the tongue 175 vof each truck B. The bolt 173 constitutes the complementary member for thc projection 146. The lateral projecting pin 172 on the bolt 173 is capable of a vertical movement longitudinally of the barrel 174 and in the slot 176, the upper end of' which terminates in a lateral offset portion 177 so that the projection 172 may be swung thereinto and the bolt 173 will be held out of position for engagement with the projection 146.A The anti-friction roller 1741. contacts with the flanges of the groove 144 as the truck passes along. The truck 4B is provided with rollers or wheels 178 which pass -over and upon the rails 142 and 143, The wheels are carried by. ales `179 swiveled to the main-body of the truck at 180.'-

rlhe tongues 175, of. whichlthere maybe two 'for each truck, as shown in Fig. 33,).

lao

so" f .moved into and out' of clutching positlon 

